riscv: Add CSR numbers

The standard RISC-V ISA sets aside a 12-bit encoding space for up
to 4096 CSRs. This adds all known CSR numbers as defined in the
RISC-V Privileged Architecture Version 1.10.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Anup Patel <anup@brainfault.org>

1 files changed, 221 insertions, 0 deletions

diff --git a/arch/riscv/include/asm/encoding.h b/arch/riscv/include/asm/encoding.h
index 97cf906aa6..05e1ce3526 100644
--- a/arch/riscv/include/asm/encoding.h
+++ b/arch/riscv/include/asm/encoding.h
@@ -152,6 +152,227 @@
 #define RISCV_PGSHIFT 12
 #define RISCV_PGSIZE BIT(RISCV_PGSHIFT)
 
+/* CSR numbers */
+#define CSR_FFLAGS		0x1
+#define CSR_FRM			0x2
+#define CSR_FCSR		0x3
+
+#define CSR_SSTATUS		0x100
+#define CSR_SEDELEG		0x102
+#define CSR_SIDELEG		0x103
+#define CSR_SIE			0x104
+#define CSR_STVEC		0x105
+#define CSR_SCOUNTEREN		0x106
+#define CSR_SSCRATCH		0x140
+#define CSR_SEPC		0x141
+#define CSR_SCAUSE		0x142
+#define CSR_STVAL		0x143
+#define CSR_SIP			0x144
+#define CSR_SATP		0x180
+
+#define CSR_MSTATUS		0x300
+#define CSR_MISA		0x301
+#define CSR_MEDELEG		0x302
+#define CSR_MIDELEG		0x303
+#define CSR_MIE			0x304
+#define CSR_MTVEC		0x305
+#define CSR_MCOUNTEREN		0x306
+#define CSR_MHPMEVENT3		0x323
+#define CSR_MHPMEVENT4		0x324
+#define CSR_MHPMEVENT5		0x325
+#define CSR_MHPMEVENT6		0x326
+#define CSR_MHPMEVENT7		0x327
+#define CSR_MHPMEVENT8		0x328
+#define CSR_MHPMEVENT9		0x329
+#define CSR_MHPMEVENT10		0x32a
+#define CSR_MHPMEVENT11		0x32b
+#define CSR_MHPMEVENT12		0x32c
+#define CSR_MHPMEVENT13		0x32d
+#define CSR_MHPMEVENT14		0x32e
+#define CSR_MHPMEVENT15		0x32f
+#define CSR_MHPMEVENT16		0x330
+#define CSR_MHPMEVENT17		0x331
+#define CSR_MHPMEVENT18		0x332
+#define CSR_MHPMEVENT19		0x333
+#define CSR_MHPMEVENT20		0x334
+#define CSR_MHPMEVENT21		0x335
+#define CSR_MHPMEVENT22		0x336
+#define CSR_MHPMEVENT23		0x337
+#define CSR_MHPMEVENT24		0x338
+#define CSR_MHPMEVENT25		0x339
+#define CSR_MHPMEVENT26		0x33a
+#define CSR_MHPMEVENT27		0x33b
+#define CSR_MHPMEVENT28		0x33c
+#define CSR_MHPMEVENT29		0x33d
+#define CSR_MHPMEVENT30		0x33e
+#define CSR_MHPMEVENT31		0x33f
+#define CSR_MSCRATCH		0x340
+#define CSR_MEPC		0x341
+#define CSR_MCAUSE		0x342
+#define CSR_MTVAL		0x343
+#define CSR_MIP			0x344
+#define CSR_PMPCFG0		0x3a0
+#define CSR_PMPCFG1		0x3a1
+#define CSR_PMPCFG2		0x3a2
+#define CSR_PMPCFG3		0x3a3
+#define CSR_PMPADDR0		0x3b0
+#define CSR_PMPADDR1		0x3b1
+#define CSR_PMPADDR2		0x3b2
+#define CSR_PMPADDR3		0x3b3
+#define CSR_PMPADDR4		0x3b4
+#define CSR_PMPADDR5		0x3b5
+#define CSR_PMPADDR6		0x3b6
+#define CSR_PMPADDR7		0x3b7
+#define CSR_PMPADDR8		0x3b8
+#define CSR_PMPADDR9		0x3b9
+#define CSR_PMPADDR10		0x3ba
+#define CSR_PMPADDR11		0x3bb
+#define CSR_PMPADDR12		0x3bc
+#define CSR_PMPADDR13		0x3bd
+#define CSR_PMPADDR14		0x3be
+#define CSR_PMPADDR15		0x3bf
+
+#define CSR_TSELECT		0x7a0
+#define CSR_TDATA1		0x7a1
+#define CSR_TDATA2		0x7a2
+#define CSR_TDATA3		0x7a3
+#define CSR_DCSR		0x7b0
+#define CSR_DPC			0x7b1
+#define CSR_DSCRATCH		0x7b2
+
+#define CSR_MCYCLE		0xb00
+#define CSR_MINSTRET		0xb02
+#define CSR_MHPMCOUNTER3	0xb03
+#define CSR_MHPMCOUNTER4	0xb04
+#define CSR_MHPMCOUNTER5	0xb05
+#define CSR_MHPMCOUNTER6	0xb06
+#define CSR_MHPMCOUNTER7	0xb07
+#define CSR_MHPMCOUNTER8	0xb08
+#define CSR_MHPMCOUNTER9	0xb09
+#define CSR_MHPMCOUNTER10	0xb0a
+#define CSR_MHPMCOUNTER11	0xb0b
+#define CSR_MHPMCOUNTER12	0xb0c
+#define CSR_MHPMCOUNTER13	0xb0d
+#define CSR_MHPMCOUNTER14	0xb0e
+#define CSR_MHPMCOUNTER15	0xb0f
+#define CSR_MHPMCOUNTER16	0xb10
+#define CSR_MHPMCOUNTER17	0xb11
+#define CSR_MHPMCOUNTER18	0xb12
+#define CSR_MHPMCOUNTER19	0xb13
+#define CSR_MHPMCOUNTER20	0xb14
+#define CSR_MHPMCOUNTER21	0xb15
+#define CSR_MHPMCOUNTER22	0xb16
+#define CSR_MHPMCOUNTER23	0xb17
+#define CSR_MHPMCOUNTER24	0xb18
+#define CSR_MHPMCOUNTER25	0xb19
+#define CSR_MHPMCOUNTER26	0xb1a
+#define CSR_MHPMCOUNTER27	0xb1b
+#define CSR_MHPMCOUNTER28	0xb1c
+#define CSR_MHPMCOUNTER29	0xb1d
+#define CSR_MHPMCOUNTER30	0xb1e
+#define CSR_MHPMCOUNTER31	0xb1f
+#define CSR_MCYCLEH		0xb80
+#define CSR_MINSTRETH		0xb82
+#define CSR_MHPMCOUNTER3H	0xb83
+#define CSR_MHPMCOUNTER4H	0xb84
+#define CSR_MHPMCOUNTER5H	0xb85
+#define CSR_MHPMCOUNTER6H	0xb86
+#define CSR_MHPMCOUNTER7H	0xb87
+#define CSR_MHPMCOUNTER8H	0xb88
+#define CSR_MHPMCOUNTER9H	0xb89
+#define CSR_MHPMCOUNTER10H	0xb8a
+#define CSR_MHPMCOUNTER11H	0xb8b
+#define CSR_MHPMCOUNTER12H	0xb8c
+#define CSR_MHPMCOUNTER13H	0xb8d
+#define CSR_MHPMCOUNTER14H	0xb8e
+#define CSR_MHPMCOUNTER15H	0xb8f
+#define CSR_MHPMCOUNTER16H	0xb90
+#define CSR_MHPMCOUNTER17H	0xb91
+#define CSR_MHPMCOUNTER18H	0xb92
+#define CSR_MHPMCOUNTER19H	0xb93
+#define CSR_MHPMCOUNTER20H	0xb94
+#define CSR_MHPMCOUNTER21H	0xb95
+#define CSR_MHPMCOUNTER22H	0xb96
+#define CSR_MHPMCOUNTER23H	0xb97
+#define CSR_MHPMCOUNTER24H	0xb98
+#define CSR_MHPMCOUNTER25H	0xb99
+#define CSR_MHPMCOUNTER26H	0xb9a
+#define CSR_MHPMCOUNTER27H	0xb9b
+#define CSR_MHPMCOUNTER28H	0xb9c
+#define CSR_MHPMCOUNTER29H	0xb9d
+#define CSR_MHPMCOUNTER30H	0xb9e
+#define CSR_MHPMCOUNTER31H	0xb9f
+
+#define CSR_CYCLE		0xc00
+#define CSR_TIME		0xc01
+#define CSR_INSTRET		0xc02
+#define CSR_HPMCOUNTER3		0xc03
+#define CSR_HPMCOUNTER4		0xc04
+#define CSR_HPMCOUNTER5		0xc05
+#define CSR_HPMCOUNTER6		0xc06
+#define CSR_HPMCOUNTER7		0xc07
+#define CSR_HPMCOUNTER8		0xc08
+#define CSR_HPMCOUNTER9		0xc09
+#define CSR_HPMCOUNTER10	0xc0a
+#define CSR_HPMCOUNTER11	0xc0b
+#define CSR_HPMCOUNTER12	0xc0c
+#define CSR_HPMCOUNTER13	0xc0d
+#define CSR_HPMCOUNTER14	0xc0e
+#define CSR_HPMCOUNTER15	0xc0f
+#define CSR_HPMCOUNTER16	0xc10
+#define CSR_HPMCOUNTER17	0xc11
+#define CSR_HPMCOUNTER18	0xc12
+#define CSR_HPMCOUNTER19	0xc13
+#define CSR_HPMCOUNTER20	0xc14
+#define CSR_HPMCOUNTER21	0xc15
+#define CSR_HPMCOUNTER22	0xc16
+#define CSR_HPMCOUNTER23	0xc17
+#define CSR_HPMCOUNTER24	0xc18
+#define CSR_HPMCOUNTER25	0xc19
+#define CSR_HPMCOUNTER26	0xc1a
+#define CSR_HPMCOUNTER27	0xc1b
+#define CSR_HPMCOUNTER28	0xc1c
+#define CSR_HPMCOUNTER29	0xc1d
+#define CSR_HPMCOUNTER30	0xc1e
+#define CSR_HPMCOUNTER31	0xc1f
+#define CSR_CYCLEH		0xc80
+#define CSR_TIMEH		0xc81
+#define CSR_INSTRETH		0xc82
+#define CSR_HPMCOUNTER3H	0xc83
+#define CSR_HPMCOUNTER4H	0xc84
+#define CSR_HPMCOUNTER5H	0xc85
+#define CSR_HPMCOUNTER6H	0xc86
+#define CSR_HPMCOUNTER7H	0xc87
+#define CSR_HPMCOUNTER8H	0xc88
+#define CSR_HPMCOUNTER9H	0xc89
+#define CSR_HPMCOUNTER10H	0xc8a
+#define CSR_HPMCOUNTER11H	0xc8b
+#define CSR_HPMCOUNTER12H	0xc8c
+#define CSR_HPMCOUNTER13H	0xc8d
+#define CSR_HPMCOUNTER14H	0xc8e
+#define CSR_HPMCOUNTER15H	0xc8f
+#define CSR_HPMCOUNTER16H	0xc90
+#define CSR_HPMCOUNTER17H	0xc91
+#define CSR_HPMCOUNTER18H	0xc92
+#define CSR_HPMCOUNTER19H	0xc93
+#define CSR_HPMCOUNTER20H	0xc94
+#define CSR_HPMCOUNTER21H	0xc95
+#define CSR_HPMCOUNTER22H	0xc96
+#define CSR_HPMCOUNTER23H	0xc97
+#define CSR_HPMCOUNTER24H	0xc98
+#define CSR_HPMCOUNTER25H	0xc99
+#define CSR_HPMCOUNTER26H	0xc9a
+#define CSR_HPMCOUNTER27H	0xc9b
+#define CSR_HPMCOUNTER28H	0xc9c
+#define CSR_HPMCOUNTER29H	0xc9d
+#define CSR_HPMCOUNTER30H	0xc9e
+#define CSR_HPMCOUNTER31H	0xc9f
+
+#define CSR_MVENDORID		0xf11
+#define CSR_MARCHID		0xf12
+#define CSR_MIMPID		0xf13
+#define CSR_MHARTID		0xf14
+
 #endif /* __riscv */
 
 #endif /* RISCV_CSR_ENCODING_H */